EN 10028-3 P275NH is a kind of weldable normalized fine grained pressure vessel steel, and is suitable for cold-bordering and cold-flanging as well as for cold-bending and cold-folding, and used above all for manufacturing vessels for pressured gas (LPG, butane and propane tanks), pressure vessels, steam boiler parts, pressure piping, compressors etc.
EN 10028-3 P275NH steels are good cold-forming and hot-forming properties without negatively affecting the material properties.EN 10028-3 P275NH steels are characterized by good weldability and high resistance.
EN10028-3 P275NH Chemical Composition
|
Grade
|
Chemical Composition |
|
P275NH |
The Element Max (%) |
|
C |
Si |
Mn |
P |
S |
Al(min) |
N |
|
0.16 |
0.40 |
0.80b-1.50 |
0.025 |
0.015 |
0.020 |
0.012 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
0.30 |
0.30 |
0.08 |
0.05 |
0.50 |
0.03 |
0.05 |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
EN10028-3 P275NH Mechanical Property
|
Grade
|
Mechanical Property |
|
P275NH |
Thickness |
Yield |
Tensile |
Elongation |
|
mm |
Min Mpa |
Mpa |
Min % |
|
≤ 16 |
275 |
390-510 |
24 |
|
16＜t ≤40 |
265 |
390-510 |
24 |
|
40＜t≤60 |
255 |
390-510 |
24 |
|
60＜t≤100 |
235 |
370-490 |
23 |
|
100＜t≤150 |
225 |
360-480 |
23 |
|
150＜t≤250 |
215 |
350-470 |
23 |
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